French duplicate rating

Somebody started using different variations of the French "General Audiences" rating. I tried correcting this but my contributions get declined... *sigh*

Can you please merge "Tous Publics" (https://www.imdb.com/search/title/?certificates=FR%3ATous+Publics) and "Tous Public" (https://www.imdb.com/search/title/?certificates=FR%3ATous+Public) with "Tous publics" (https://www.imdb.com/search/title/?certificates=FR%3ATous+publics) ?